зеркало из https://github.com/github/ruby.git
49 строки
1.0 KiB
Ruby
49 строки
1.0 KiB
Ruby
# simple webpage fetcher
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# The code demonstrates how a multi-protocol client should be written.
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# TCPSocket is using getaddrinfo() internally, so there should be no problem.
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require "socket"
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if ARGV.size != 1
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STDERR.print "requires URL\n"
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exit
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end
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url = ARGV[0]
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if url !~ /^http:\/\/([^\/]+)(\/.*)$/
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STDERR.print "only http with full hostname is supported\n"
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exit
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end
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# split URL into host, port and path
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hostport = $1
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path = $2
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if (hostport =~ /^(.*):([0-9]+)$/)
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host = $1
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port = $2
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else
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host = hostport
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port = 80
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end
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if host =~ /^\[(.*)\]$/
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host = $1
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end
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#STDERR.print "url=<#{ARGV[0]}>\n"
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#STDERR.print "host=<#{host}>\n"
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#STDERR.print "port=<#{port}>\n"
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#STDERR.print "path=<#{path}>\n"
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STDERR.print "conntecting to #{host} port #{port}\n"
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c = TCPSocket.new(host, port)
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dest = Socket.getnameinfo(c.getpeername,
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Socket::NI_NUMERICHOST|Socket::NI_NUMERICSERV)
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STDERR.print "conntected to #{dest[0]} port #{dest[1]}\n"
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c.print "GET #{path} HTTP/1.0\n"
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c.print "Host: #{host}\n"
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c.print "\n"
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while c.gets
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print
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end
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